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Turn minified or unformatted JavaScript into readable, properly indented code with consistent spacing and line breaks.
Increase or decrease a number by a percentage, or find the percentage change between two figures — with the direction and the absolute difference shown.
Add GST to a base amount or strip it out of a GST-inclusive price, across all Indian slabs, with the CGST and SGST split shown.
Crop a video to any area or aspect ratio with a draggable box over a live preview. Presets for 9:16 Reels, 1:1 square, 4:5 and 16:9.
Trim MP3 and other audio with a drag-and-drop waveform. Keep a section or delete one, with an instant lossless mode and optional fades.
Build a valid robots.txt with per-crawler rules, sitemap declaration and crawl-delay. Includes presets for CMS sites and blocking AI crawlers.
Reformat minified or messy CSS into clean, properly indented, readable rules with your choice of indentation.
Calculate simple interest on a principal, or work backwards to the rate or principal, with the total repayable and the yearly interest shown.
Decode a JWT in your browser to read its header, payload and claims — with expiry dates worked out and dangerous headers flagged.
Run a recording through a proper mastering chain — high-pass, EQ, de-essing, compression and loudness — in one pass. Presets for podcasts, music, calls and lectures.
Work out the sale price and what you save, find the discount percentage from two prices, or combine two stacked discounts correctly.
Find your profit margin and markup from cost and selling price, or work out the price you need to charge to hit a target margin.
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